STMicroelectronics EVALSPEAr320CPU User Manual page 12

Expansion connectors
12/38
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Table 2. CPU board extension connector J12 (continued)
Pin Description
35 PL_GPIO11
37 PL_GPIO19
39 PL_GPIO15
41 PL_GPIO14
43 PL_GPIO36
45 PL_GPIO41
47 PL_GPIO35
49 PL_GPIO31
51 PL_GPIO32
53 PL_GPIO25
55 PL_GPIO22
57 PL_GPIO21
59 PL_GPIO17
61 PL_GPIO12
63 PL_GPIO10
65 PL_GPIO7
67 PL_GPIO1
69 PL_GPIO0
71 NC
73 NC
75 NC
77
79
(5)
81 GND
83
85
1. If J20 Jumper is set to pin2-3, otherwise NC.
2. If J21 Jumper is set to pin2-3, otherwise NC.
3. If J22 Jumper is set to pin2-4 and pin1-3, otherwise RS232-RX.
4. If J22 Jumper is set to pin2-4 and pin1-3, otherwise RS232-TX.
5. Physically connected to the internal metal plane of the connector. Pins 77 through 81 and 82 through 86
are shorted together.
Pin
36
38
40
42
44
46
48
50
52
54
56
58
60
62
64
66
68
70
72
74
76
78
80
82
84
86
Doc ID 18124 Rev 1
UM1015
Description
PL_GPIO6
PL_GPIO4
PL_GPIO5
NC
NC
NC
NC
+2.5V
+2.5V
+2.5V
+2.5V
INRESET
nRESET
+1.2V
+1.2V
+1.2V
+1.2V
+3.3V
+3.3V
+3.3V
+3.3V
(5)
GND